Lauritz Knudsen FN SDF (Switch Disconnector Fuse) 32A | 2 Pole | Open Execution DIN Type | Suitable for DIN fuse-link | Telescopic shaft for depth adjustment
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Lauritz Knudsen FN SDF (Switch Disconnector Fuse) 32A | 2 Pole | Open Execution DIN Type | Suitable for DIN fuse-link | Telescopic shaft for depth adjustment
- Description
- Specifications
- Documents
- Warranty
- Reviews
Description
About the Product
The Lauritz Knudsen FN SDF 32A, 2 Pole, 415V AC Open Execution Switch Disconnector Fuse (DIN Type, 50/60 Hz) is a compact electrical device that integrates switch disconnection & fuse-based protection into a single unit for low current electrical circuits. Its open execution design allows easy installation & accessibility, while the DIN type fuse configuration ensures compatibility with standard DIN fuse systems.
Engineered using high-quality materials & advanced design, this switch disconnector fuse ensures reliable switching along with effective protection against overloads & short circuits. It is widely used in control panels, distribution boards, & industrial electrical systems, ensuring safe & efficient circuit protection in single-phase or two-pole applications.
Purpose & Function
This switch disconnector fuse is designed for combined switching & protection:
• Ensures safe disconnection of electrical circuits
• Provides integrated DIN fuse-based protection against overload & faults
• Enables complete isolation during maintenance
• Prevents damage to connected equipment due to short circuits
• Supports efficient & controlled power distribution
Electrical Configuration
• Product type: Switch Disconnector Fuse (Open Execution, DIN Type)
• Rated current: 32A
• Rated voltage: 415V AC
• Poles: 2 Pole (2P)
• Frequency: 50/60 Hz
• Function: Switching, isolation, & fuse protection
Construction & Design
Engineered for compact & reliable performance:
• High-quality insulating materials for enhanced safety
• DIN type fuse mounting for standardized compatibility
• Integrated fuse system for protection & switching
• Open execution design for easy access & installation
• Compact & sturdy construction
Safety & Protection
• Provides protection against overload & short circuit conditions
• Ensures safe circuit isolation during maintenance
• Minimizes risk of electrical hazards & failures
• Protects connected equipment & wiring
• Enhances safety in control panels & switchgear systems
Mounting & Installation
• Designed for panel & DIN system compatibility
• Open execution allows easy wiring & fuse replacement
• Suitable for industrial & commercial installations
• Ensures secure & stable mounting
• Simplifies maintenance & servicing
Application Domains
• Control panels & distribution boards
• Industrial electrical systems
• Commercial electrical installations
• Machinery & equipment protection
• Low to medium current electrical circuits
• Infrastructure & utility systems
Key Features
• Rated 32A, 415V AC, 2 Pole configuration
• Switch disconnector with DIN type fuse protection
• Standardized DIN fuse compatibility
• Open execution design for easy operation
• Durable & compact construction
Applications
• Combined switching & circuit protection
• Control panel & distribution board systems
• Industrial & commercial installations
• Machinery protection & isolation
• Electrical circuit safety systems
FAQs
1. What is a switch disconnector fuse (SDF)?
Ans: It is a device that combines switching, isolation, & fuse-based protection in one unit.
2. What does DIN type fuse mean?
Ans: It refers to a standardized fuse design used widely in electrical systems for compatibility & easy replacement.
3. What does 2P (2 Pole) mean?
Ans: It means the device controls two conductors simultaneously.
4. What is the current rating?
Ans: It is rated for 32A applications.
5. What is the voltage rating?
Ans: The unit supports systems up to 415V AC.
6. Where is this device used?
Ans: It is used in control panels, distribution boards, & industrial applications.
7. Does it provide both protection & switching?
Ans: Yes, it offers both reliable circuit protection & switching functionality.
Overview
| Rated Operational Current (A) | 32A |
|---|---|
| Conformance to Standards | IS/IEC 60947-3, EN 60947-3 |
| Fuse Type | DIN /Knife-edge |
| Utilization Category | AC-23A |
| Rated operational voltage (Ue) | 415V |
| Operating Frequency(Hz) | 50/60 |
| Mechanical Life (No. of operating cycles) | 15000 |
| Rated Insulation Voltage Ui (V) | 690V |
| Rated Breaking Capacity@AC-23A (A) | 256 |
| Rated Making Capacity@AC-23A (A) | 320 |
| Version | Open Execution |
| No. of Poles | 2P |
| Maximum Al termination (sq.mm) | 35 |
| Mounting positions | All Orientations |
| Standard Accessories | Terminal Shrouds, Phase Barriers, Extended handle with shaft |
| Pollution Degree | 3 |
| Discount Percentage | Between 0-10 % |
Warranty
- All products listed in the price list are covered by a warranty against manufacturing defects for a period of 18* months from the date of purchase.
- For Lauritz Knudsen MCBs & Isolators mounted inside Lauritz Knudsen Distribution Boards, an extended warranty of 5 years is provided.
- In the event of a defect due to faulty workmanship or other associated reasons, the manufacturer will, at its discretion, remedy the defect or replace the faulty parts or the entire product as soon as possible, free of cost.
- This warranty is subject to proper usage and efficient maintenance and does not cover defects arising from fire, accidents, inefficient maintenance, faulty operation, or deliberate or accidental damage.
- The warranty does not cover damage to power electronic components such as thyristors & IGBTs, which primarily fail due to over-temperature or over-voltage. Users must take adequate precautions to eliminate such conditions.
- The manufacturer shall not be responsible or liable for any special, incidental, social, or consequential losses (including loss of profits), punitive damages, injury, or damages of any kind solely attributable to defect or failure of its products.
- The manufacturer shall not be liable in any manner for issues related to or failure in the performance of any other equipment to which the product is connected.
Reviews
Description
About the Product
The Lauritz Knudsen FN SDF 32A, 2 Pole, 415V AC Open Execution Switch Disconnector Fuse (DIN Type, 50/60 Hz) is a compact electrical device that integrates switch disconnection & fuse-based protection into a single unit for low current electrical circuits. Its open execution design allows easy installation & accessibility, while the DIN type fuse configuration ensures compatibility with standard DIN fuse systems.
Engineered using high-quality materials & advanced design, this switch disconnector fuse ensures reliable switching along with effective protection against overloads & short circuits. It is widely used in control panels, distribution boards, & industrial electrical systems, ensuring safe & efficient circuit protection in single-phase or two-pole applications.
Purpose & Function
This switch disconnector fuse is designed for combined switching & protection:
• Ensures safe disconnection of electrical circuits
• Provides integrated DIN fuse-based protection against overload & faults
• Enables complete isolation during maintenance
• Prevents damage to connected equipment due to short circuits
• Supports efficient & controlled power distribution
Electrical Configuration
• Product type: Switch Disconnector Fuse (Open Execution, DIN Type)
• Rated current: 32A
• Rated voltage: 415V AC
• Poles: 2 Pole (2P)
• Frequency: 50/60 Hz
• Function: Switching, isolation, & fuse protection
Construction & Design
Engineered for compact & reliable performance:
• High-quality insulating materials for enhanced safety
• DIN type fuse mounting for standardized compatibility
• Integrated fuse system for protection & switching
• Open execution design for easy access & installation
• Compact & sturdy construction
Safety & Protection
• Provides protection against overload & short circuit conditions
• Ensures safe circuit isolation during maintenance
• Minimizes risk of electrical hazards & failures
• Protects connected equipment & wiring
• Enhances safety in control panels & switchgear systems
Mounting & Installation
• Designed for panel & DIN system compatibility
• Open execution allows easy wiring & fuse replacement
• Suitable for industrial & commercial installations
• Ensures secure & stable mounting
• Simplifies maintenance & servicing
Application Domains
• Control panels & distribution boards
• Industrial electrical systems
• Commercial electrical installations
• Machinery & equipment protection
• Low to medium current electrical circuits
• Infrastructure & utility systems
Key Features
• Rated 32A, 415V AC, 2 Pole configuration
• Switch disconnector with DIN type fuse protection
• Standardized DIN fuse compatibility
• Open execution design for easy operation
• Durable & compact construction
Applications
• Combined switching & circuit protection
• Control panel & distribution board systems
• Industrial & commercial installations
• Machinery protection & isolation
• Electrical circuit safety systems
FAQs
1. What is a switch disconnector fuse (SDF)?
Ans: It is a device that combines switching, isolation, & fuse-based protection in one unit.
2. What does DIN type fuse mean?
Ans: It refers to a standardized fuse design used widely in electrical systems for compatibility & easy replacement.
3. What does 2P (2 Pole) mean?
Ans: It means the device controls two conductors simultaneously.
4. What is the current rating?
Ans: It is rated for 32A applications.
5. What is the voltage rating?
Ans: The unit supports systems up to 415V AC.
6. Where is this device used?
Ans: It is used in control panels, distribution boards, & industrial applications.
7. Does it provide both protection & switching?
Ans: Yes, it offers both reliable circuit protection & switching functionality.
Overview
| Rated Operational Current (A) | 32A |
|---|---|
| Conformance to Standards | IS/IEC 60947-3, EN 60947-3 |
| Fuse Type | DIN /Knife-edge |
| Utilization Category | AC-23A |
| Rated operational voltage (Ue) | 415V |
| Operating Frequency(Hz) | 50/60 |
| Mechanical Life (No. of operating cycles) | 15000 |
| Rated Insulation Voltage Ui (V) | 690V |
| Rated Breaking Capacity@AC-23A (A) | 256 |
| Rated Making Capacity@AC-23A (A) | 320 |
| Version | Open Execution |
| No. of Poles | 2P |
| Maximum Al termination (sq.mm) | 35 |
| Mounting positions | All Orientations |
| Standard Accessories | Terminal Shrouds, Phase Barriers, Extended handle with shaft |
| Pollution Degree | 3 |
| Discount Percentage | Between 0-10 % |
Warranty
- All products listed in the price list are covered by a warranty against manufacturing defects for a period of 18* months from the date of purchase.
- For Lauritz Knudsen MCBs & Isolators mounted inside Lauritz Knudsen Distribution Boards, an extended warranty of 5 years is provided.
- In the event of a defect due to faulty workmanship or other associated reasons, the manufacturer will, at its discretion, remedy the defect or replace the faulty parts or the entire product as soon as possible, free of cost.
- This warranty is subject to proper usage and efficient maintenance and does not cover defects arising from fire, accidents, inefficient maintenance, faulty operation, or deliberate or accidental damage.
- The warranty does not cover damage to power electronic components such as thyristors & IGBTs, which primarily fail due to over-temperature or over-voltage. Users must take adequate precautions to eliminate such conditions.
- The manufacturer shall not be responsible or liable for any special, incidental, social, or consequential losses (including loss of profits), punitive damages, injury, or damages of any kind solely attributable to defect or failure of its products.
- The manufacturer shall not be liable in any manner for issues related to or failure in the performance of any other equipment to which the product is connected.